And it’s not helpful when they scheduled a lethal AMaths/Chemistry Terror Tuesday to tekan our disciples, especially that 8 am AMaths paper which caused me to miss many hours of my beauty sleep.

*cough*

My beautician is going to have her work cut out for her after this!

So my High Priestess 教主! Do you still have energy for one more paper? I heard it’s quite easy …

This time the air suddenly went deathly still as she closed her panda eyes and seemed to pause for an eternity.

When she began, she pounded on her guzheng like never before, churning out frantic, angry mathematical notes that rocked the very foundation of The Temple, and sent a wild tempest that whipped through the streets of Novena – causing leaves to fly around like kinematic particles with numerous turning points, and cups from the nearby Gong Cha stall to bounce off the floor like modulus graphs(the floor being the x-axis).

28 Comments

Cynthia commented in tuition class

火曜日

2012

Oct

30

Tue

4:34pm

1

Oh no !
I only put y = ln 5, forgot to evaluate it and did careless for the give-away question of the R formulae -.- Just wondering, will some marks be given even if we convert ans to the opposite form ?

While it ultimately depends on the mark scheme, in general your methods & workings will need to be spot-on appropriate for the question at hand, with only the substitution of a wrong value or two that led to the wrong answer - only then will you get your method mark(s).

I would like to refer to the questions 3(ii) and 5(ii), wherein there is a need to express ∫ y dx. I have done the first part, that is, expressing ∫ y dx, with the letter 'c' to represent a constant. However, when I am asked to evaluate, I exclude the letter 'c', since I know that these will be definite integrals.

Will that be accepted? If that is wrong, then how many marks do you reckon will be deducted?

@sad: Umm ... as with each step in a 阴阳眼 Geometric Proof question, you'll need to explain (with the relevant theorem/property) how you arrived at ∠SPQ = 2∠RBP before you can assign suitable variables to them.

In this case, Miss Loi may have dropped her 阴阳 glasses as she can't figure out how your assumption can be derived *scratches head*

Hi Ms Loi..
for the modulus graph qn8iii
the question asked me to find the number of solutions..
but i did not have much workings ( change the subject of formula to y=....) as my graph i drew in part ii is drawn to scale.. i just read off from the graph and just wrote 2 and 3 as the ans.. will i get penalized for not drawing a line on the graph? but the question simply said find the solution.. and it 4 Marks...:((

@Gary: Miss Loi believes the intention of Q8(ii) is not for you to draw the graph to scale on the graph paper but this shouldn't affect your marks for part (ii).

Part (iii), however, did not specifically state how you should obtain the number of solutions so you should gain the relevant (at least 2) marks for your correct answers. Any remaining method mark(s) will depend on whether your method (which you should clearly state that you read off your accurate graph) is acceptable to the mark scheme. Good luck! ^^

@Ng Guan Zhi: Q11(i): Sounds like a valid case for method marks according this. Moreover the 6 marks on offer here should be enough to include an method mark or two ^^

Q11(ii): Seems like a case for ECF. Again there's a high possibility the 6 marks here allows for that. But then again, the overlord called the Mark Scheme will ultimately determine if ECF is applicable here.

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About Miss Loi

Miss Loi is a full-time private tutor in Singapore specializing in O-Level Maths tuition. Her life's calling is to eradicate the terrifying LMBFH Syndrome off the face of this planet. For over 24 years she has been a savior to countless students ... [read more]

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And what she mentions about her ability to spot exam questions, it's true! ... [read more]